Portion of a computer input device



FIG. 1 is a perspective view of a portion of a computer input device showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof:

FIG. 5 is a side elevational view of the other side thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showing of the rear and the remainder of the computer input device is for illustrative purposes only and forms no part of the claimed design. The unshown bottom forms no part of the claimed design. 

The ornamental design for a portion of a computer input device, as shown and described. 